* updates regex-validator component to optionally show pattern input and adds capture groups support
* adds form-field-label component
* adds autocomplete-input component
* updates kv-object-editor component to yield block for value and glimmerizes
* updates transform template model
* adds transform-advanced-templating component
* updates form-field with child component changes
* updates transform template serializer to handle differences in regex named capture groups
* fixes regex-validator test
* adds changelog entry
* updates for pr review feedback
* reverts kv-object-editor guidFor removal